Boker 01SC154 Magnum Sergeant Folder. This rescue knife bears the legendary emblem of the proud U.S. Marines, consisting of eagle, globe and anchor. The black coated blade, made of 440 stainless steel, can be opened quickly with one hand, and the sturdy liner lock prevents accidental collapse in an emergency. The glass-breaker and belt cutter complete this useful tool. Blade length: 3 3/8. Overall length: 8 1/8. Weight: 4.1 oz.